Other
Scientific paper
Sep 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jgr....9713829i&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 97, no. A9, Sept. 1, 1992, p. 13,829-13,837. Research supported by USAF a
Other
21
Electron Precipitation, Radiation Belts, Relativistic Electron Beams, Atmospheric Radiation, Wave-Particle Interactions
Scientific paper
The first satellite observations of relativistic (greater than 1 MeV) electron precipitation in microbursts with measured durations of less than 1 s are reported. Microbursts of lower-energy electrons (10-100 keV) have been found to occur preferentially in the early daylight hours and to be closely associated with VLF chorus emissions. In contrast, the relativistic electron microbursts occurred more frequently near 2230 LT than 1030 LT, and no association was found with ELF/VLF chorus, consistent with the fact that resonant interactions with about 1-MeV electrons require significantly lower frequencies. The available data on these relativistic microbursts thus appear to indicate that many of the bursts may be due to wave-particle interaction not with whistler mode chorus but possibly with other waveforms. The locations of many of the relativistic microbursts are concentrated at the outer edge of the trapped radiation belt, where the gyroradii of the electrons are comparable to the curvature of the magnetic field lines and stable trapping may therefore not occur. The preferred location of the microbursts, which may be primarily spatial in character, implies the possible importance of irregularities in the magnetic field lines near the trapping boundary as the responsible mechanism.
Datlowe Dayton W.
Gaines Edward E.
Imhof William L.
Inan Umran S.
McGlennon J. P.
No associations
LandOfFree
Relativistic electron microbursts does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Relativistic electron microbursts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Relativistic electron microbursts will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1768900